light years away
01
a distant moment or period in the future or past that is often marked by significant technological, cultural, or historical changes
习语
非正式
例子
For them, the digital age was still light years away.
02
a vast difference between two things, often indicating that they are significantly distant or dissimilar in terms of progress, quality, or understanding
习语
例子
Her knowledge of advanced mathematics is light years away from mine; I struggle with basic calculations.
